package com.zxc.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

//自定义的校验器
public class ListValueConstrainValidator implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set = new HashSet<>();

    //初始化的方法
    @Override
    public void initialize(ListValue listValue) {
        int[] vals = listValue.vals();
        for (int val : vals){
            set.add(val);
        }
    }

    //判断是否校验成功
    //value：需要校验的值
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        if (set.contains(value)){
            return true;
        }
        return false;
    }
}
